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Wojciech Kopczuk is a professor at SIPA and the Department of Economics. Kopczuk's research focus is on issues related to tax policy and income and wealth inequality. His work has been published in top economics journals, including American Economic Review, Quarterly Journal of Economics, Journal of Political Economy and Review of Economic Studies. He is a co-editor of the Journal of Public Economics and associate editor of the American Economic Journal: Economic Policy. Click here for a full list of publications.

Kopczuk holds a BA in Economics and an MSc in Computer Science from Warsaw University, and an MA and PhD in Economics from the University of Michigan.

Supply and demand is reason why "essential workers" are paid so little. “Many of the ‘essential’ occupations are easy to enter, and jobs with a large supply of potential workers are paid less,” says Wojciech Kopczuk.